Re: 6 volt regulator for cub

Posted by John T on April 30, 2007 at 14:13:30 from (66.244.90.5):

In Reply to: 6 volt regulator for cub posted by jaw3254 on April 30, 2007 at 13:16:17:

If the old what you call "regulator" only had 2 terminals, its ONLY a Cutout Relay instead of a 3 or 4 terminal full fledged Voltage Regulator. On a Cutout Relay, the BAT terminal wires to the load (NOT battery/starter) side of the ammeter and its other (ARM/GEN) terminal wires to the ARM post on the Genny. On those systems the gennys Field was connected to the light switch ya know.........

Its possible to convert from the relay to a VR.

BAT on VR to load (NOT batery/starter) side of
ammeter

ARM/GEN on VR to gennys ARM post

FLD on VR to Gennys Field post. On a Cutout Relay system the gennys field used to wire to the light switch. Dont use that circuit, simply remove it and insread wire the gennys Field now to the FLD terminal on the VR.

(L)OAD terminal if its a 4 terminal VR (BAT FLD LOAD ARM) versus only a 3 (BAT ARM FLD) the 4th L terminal supplies hot batery voltage up to the Lights and Ignition (their BAT input terminals) which used to be fed off the ammeters Load terminal (same terminal that wires down to BAT on a VR or relay). If you have a 4 terminal VR with the extra 4 th L terminal, remove the wiring from the load side of the ammeter to lights and/or ignition switches BAT input terminal(s) and instead feed voltage up to the L BAT input terminal(s) from the VR's L terminal

POLARIZE the genny of course, and if its a 3 brush adjustable 3rd brush genny n youre converting over to a full fledged VR, I would set the 3rd adjustable brush to a high charge rate.

NOTE on many 4 terminal VR's the terminal off to one side or the bottom all by itself is the ARM terminal while teh 3 side by side are BAT FLD LOAD. if its only a 3 terminal VR the terminals are BAR ARM FLD

If I missed anything hopefully the other gents will add to this. The VR needs a good ground remember.

John T

• John T's B

Replies:

• Re: 6 volt regulator for cub JAW3254 14:59:04 04/30/07 (0)

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